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How to update DynDNS behind a modem

When you use a cable or DSL modem, the WL500 usually doesn't know its external IP address. This is a problem for the built-in DynDNS client (accessible through the web pages), because that client requires the address for updating DynDNS.

Luckily, DynDNS provides an alternative solution that does work and it's called inadyn. This page describes how to use inadyn for updating your DynDNS record.

When you use a cable or DSL modem, the WL500 usually doesn't know its external IP address. This is a problem for the built-in DynDNS client (accessible through the web pages), because that client requires the address for updating DynDNS.

Luckily, DynDNS provides an alternative solution that does work and it's called inadyn. This page describes how to use inadyn for updating your DynDNS record.

Add the executable to the end of a startup script (one that is executed after the drive is mounted). I added the following line to /usr/local/sbin/post-mount:

Code:

/opt/bin/inadyn --input_file /opt/etc/inadyn.conf

Save the script:

Code:

flashfs save
flashfs commit

That's it.

Thanks for a great tutorial! Just bought my WL-500Gpv2 and is working on setting it up with Oleg's great firmware. Of course one of the first things I thought about was how to get "visible" to the rest of the world, the WL500 being behind another router. Inadyn does the job perfectly!
One thing though:
inadyn installed to /opt/opt/bin instead of /opt/bin (my HDD is also mounted on /opt), witch is not a big problem, I just had to change the .conf file, but just thought I would let you know